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46results about How to "Simple module" patented technology
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Ground three-component magnetic orientation method and ground three-component magnetic orientation exploration device
InactiveCN105572749ARich space geomagnetic field parametersHigh precisionElectric/magnetic detectionAcoustic wave reradiationMagnetic orientationTitanium alloy
The invention provides a ground three-component magnetic orientation method which can finish sensor three-axis self orthogonal correction and sensor three-axis coordinate and geographical coordinate conversion. The invention furthermore provides an oriented exploration device based on the ground three-component magnetic orientation method. The oriented exploration device comprises a probe, a controller module, a clock control module and a power module. The probe comprises a sleeve which is internally provided with a non-magnetic titanium alloy trough in which a sensor module is mounted. The sensor module comprises a positioning module, a flux gate sensor and an inertia measurement module. The positioning module, the flux gate sensor, a matrix keyboard and a liquid crystal display module are connected with the controller module. The ground three-component magnetic orientation method and the ground three-component magnetic orientation exploration device can perform quick measurement and furthermore can acquire spatial geomagnetic field parameters which are more abundant than that of a traditional proton magnetometer, thereby providing omnibearing geophysical data for geological prospecting. Furthermore the ground three-component magnetic orientation method and the ground three-component magnetic orientation exploration device can settle a point fixing problem in field survey grid and realize one-step completion in field three-component magnetic survey.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)
Electric vehicle low-voltage storage battery charging control method and whole vehicle controller
PendingCN110154823ARealize chargingAvoid power lossVehicular energy storageElectric energy managementPower batteryBattery charge
The invention relates to the technical field of electric vehicle low-voltage storage battery charging, in particular to an electric vehicle low-voltage storage battery charging control method and a whole vehicle controller. The control method comprises the following steps that whether a power battery pack is in a working state or not is judged through the whole vehicle controller according to thegear position of an ignition switch; the current voltage of a low-voltage storage battery is monitored, and the battery state of the low-voltage storage battery is judged according to the monitored current voltage; and according to the working state of the power battery pack and the battery state of the low-voltage storage battery, a DC / DC converter and / or a BMS is controlled to work to realize charging of the low-voltage storage battery. According to the working state of the power battery pack and the battery state of the low-voltage storage battery, the DC / DC converter is controlled to be started or stopped, so that the problems that the DC / DC converter works for a long time, then the temperature rises, and then the energy utilization rate is low are solved, and the energy utilization rate of the electric vehicle is improved.
Owner:HENAN SUDA ELECTRIC AUTOMOBILE TECH
Intelligently-annealing power source control device
The invention relates to the field of control equipment for the production process of metal wires for annealing, in particular to an intelligently-annealing power source control device. Three-phase alternating current is changed into single-phase alternating current which is output to conductive wheels; the single-phase alternating current is subjected to the transformation of a transformer and the filter of a filter capacitive circuit and then is fed to two contacted conductive wheels for realizing single-phase alternating current annealing on drawing metal wires, thereby not only simplifying system modules and greatly reducing the cost, but also improving the accuracy of voltage control; the production efficiency is improved by improving the cost performance; a high-precision annealing power source control unit outputs the voltage, so that the invention saves energy consumption, is beneficial to function completion and convenient use and maintenance of the whole annealing equipment and ensures the safety and the stability of the system.
Owner:SHENZHEN SINE ELECTRIC
On-line prediction method of micro-milling chatter
InactiveCN105808950ASimple moduleImprove real-time performanceInformaticsSpecial data processing applicationsEarly predictionSingular spectrum analysis
The invention provides an on-line prediction method of micro-milling chatter. A monitoring signal in a micro-milling machining process is obtained through a sensor, wherein the monitoring signal comprises a cutting force signal, a sound signal and an accelerated speed signal. The on-line prediction method of the micro-milling chatter comprehensively utilizes the milling force, the accelerated speed and the sound signal of the micro-milling machining process to represent a machining state, the on-line monitoring of the micro-milling machining process and the early prediction of the milling chatter are realized through a multichannel singular spectrum analysis algorithm and a GHMM (General Hidden Markov Model), a necessary technical means is provided for chatter inhibition research, so that a monitoring system module is greatly simplified, and the instantaneity of a machining state monitoring system is obviously improved.
Owner:CHANGZHOU COLLEGE OF INFORMATION TECH
In-situ online detection device for phytoplanktons based on photosynthetic pigment fluorescence
ActiveCN106872424AFully reflect the growth statusIncrease profitFluorescence/phosphorescenceEutrophicationPhotosynthetic pigment
The invention discloses an in-situ online detection device for phytoplanktons based on photosynthetic pigment fluorescence. The in-situ online detection device comprises an LED (Light Emitting Diode) annular light source, a cylindrical water sample pool, a fluorescent detection module, a microcontrol circuit module, a casing and a bottom cover. According to the in-situ online detection device disclosed by the invention, by using fluorescence characteristics of photosynthetic pigments of different phytoplanktons, measurement of living fluorescence intensity and chlorophyll fluorescence induction kinetic parameters of the phytoplanktons under the action of exciting light with four wavelengths is realized; meanwhile, the biomass and physiological activity of the phytoplanktons can be reflected; the in-situ online detection device is suitable for real-time monitoring and early warning of eutrophication conditions in key water areas. According to the in-situ online detection device disclosed by the invention, the annular light source is adopted, the utilization rate of a light source and the illumination uniformity are considered, and a main control circuit takes STM32L151 as a core, so that the device can carry out long-term high-performance operation underwater; the in-situ online detection device is provided with the openable and closable bottom cover, so that in-situ water sampling underwater can be realized, the interference of ambient light of a water body and water current fluctuation is overcome, and further the accuracy of in-situ detection is improved.
Owner:ZHEJIANG UNIV
Wearable voice recognition endoscope control system and wearable equipment
InactiveCN105708407ASimple moduleSimple structureSurgeryEndoscopesInformation processingControl system
The invention relates to a wearable voice recognition endoscope control system, which comprises endoscope equipment, wearable equipment which can worn before eyes and a processing terminal which is connected to the endoscope equipment and the wearable equipment, wherein the endoscope equipment comprises an in vivo camera unit, an image information processing unit and a first image input unit; the wearable equipment comprises an optical display unit and a communicating unit; and the processing terminal comprises a microprocessing unit as well as a memory unit, a transmission unit and a power supply unit connected to the microprocessing unit. By virtue of the wearable equipment which is arranged before glasses, the wearable voice recognition endoscope control system disclosed by the invention can display images recorded by a conventional endoscope before the eyes in the form of a virtual large screen, and moreover, an operation and control system, which is capable of conducting a series of actions including operating, taking pictures, shooting camera, operating and controlling and the like on the endoscope in accordance with a voice command, is provided.
Owner:樊大立
Multi-angle one-step imaging shooting device
ActiveCN104635345AShooting range variableSimultaneous shooting achievedTelevision system detailsColor television detailsComputer scienceImaging data
The invention provides a multi-angle one-step imaging shooting device. The shooting device can receive light, which is emitted / reflected to different angles, of a shot object or light emitted / reflected by shot objects positioned at different angles, focuses the received light from the different angles to the same photosensitive module to image, multi-angle shooting such as annular shooting, wide-angle shooting and overview shooting can be implemented by the shooting device, and three-dimensional pictures of the shot objects can be recovered according to one-step imaging data. The multi-angle one-step imaging shooting device can perform overview shooting at one step by using a photosensitive element only. Moreover, the shooting device can be made of a flexible material; and the shooting range of the shooting device can be changed by changing the shape of a daylighting surface of the shooting device.
Owner:ZHEJIANG UNIV
An object appearance detection method and depth neural network model
PendingCN109214426AHave the ability to discernLow costCharacter and pattern recognitionNeural architecturesAlgorithmOptimal weight
The invention relates to a method for detecting the appearance of an object and a depth neural network model. The method for detecting the appearance of an object comprises the following steps: building a depth neural network model; deep neural network model has the ability to distinguish the appearance through the cycle of training and learning; according to the large number of cyclic training and learning, the depth neural network model gradually converges to obtain the optimal weight of each eigenvalue; convolution operation is carried out on the appearance picture of the object to be detected, and the classification result is obtained according to the set probability interval value. The depth neural network model comprises a training module, an evaluation module and a prediction module. The invention solves many problems existing in manually formulating judgment rules of object appearance classification, and overcomes the problems of low manual operation efficiency or low accuracyof traditional automatic judgment. At the same time, because of its sustainable self-iterative upgrading, its recognition efficiency will be improved in theory. The module of the invention is simple,the hardware cost is low, and the application range is wide.
Owner:深圳宇骏视觉智能科技有限公司
Multi-rotor unmanned aerial vehicle target real-time tracking shooting system and method
InactiveCN109002059AImprove real-time performanceReduce the probability of losing the targetTelevision system detailsColor television detailsAutomatic controlControl signal
The present invention provides a multi-rotor unmanned aerial vehicle target real-time tracking shooting system and method. The hardware system comprises a multi-rotor unmanned aerial vehicle, a flightcontrol unit, a holder, a manual and automatic control signal switching module, an image data processing unit and a monocular camera. The hardware devices are installed on an unmanned aerial vehicle,the camera is installed on the unmanned aerial vehicle holder, and the images shot by the camera are transmitted to the image processing unit. The target tracking method is employed to obtain a target position and convert the position information to flight control signals transmitted to the flight control unit to achieve tracking flight of a target. The multi-rotor unmanned aerial vehicle targetreal-time tracking shooting system and method are low in cost, low in power consumption, stable in tracking and complete in function, can perform real-time and accurate tracking shooting for the selected target, can be used for tracking of criminal offenders or vehicles and can be also used for travel aerial photo.
Owner:武汉小狮科技有限公司
Method for shortening operation time of remote control of LCD TV production line
InactiveCN101867843ASimple moduleClear moduleNon-electrical signal transmission systemsTelevision systemsProduction lineRemote control
The invention relates to a method for shortening the operation time of a remote control of an LCD TV production line, which comprises a special remote control transmitter for the production line, and an external remote control signal receiver, an infrared remote control signal detection module, a special remote control processing module for the production line, a user remote control processing module and a special remote control processing module for stopping the production line which are arranged on an LCD TV set; and the special remote control transmitter for the production line sends infrared signals to the LCD TV set in the form of special codes, the external remote control signal receiver receives and analyzes the infrared signals sent by the special remote control transmitter for the production line or the user remote control, the infrared remote control signal detection module judges to transfer the special remote control processing module for the production line, the user remote control processing module or the special remote control processing module for stopping the production line according to the received infrared signals, and the special remote control processing module for the production line is used for detecting the performance of corresponding items of the LCD TV set. The system is beneficial to simplifying the detection operation and shortening the performance detection operation time of the LCD TV set, is simple to operate and has good use effect.
Owner:TPV ELECTRONICS (FUJIAN) CO LTD
Embedded access control system and operation method thereof
PendingCN111275871ASimple moduleFlexible operationIndividual entry/exit registersTransmissionComputer hardwareFeature data
The invention discloses an embedded access control system and an operation method thereof. The system comprises an electromagnetic door lock and a relay connected with the electromagnetic door lock, and also includes: a camera which is used for acquiring a face image and a real-time scene of a monitoring area and generating face recognition data and monitoring scene data; an information input module which is used for inputting pre-stored information and inputting an unlocking key; an infrared detector which is used for detecting biological temperature characteristics of the detection area andgenerating biological characteristic data; a server which is used for receiving and storing the face recognition data, the monitoring scene data, the pre-stored information, the input unlocking secretkey and the biological temperature characteristic data, wherein the server is further electrically connected with the relay and outputs a high-level or low-level electric signal to the relay, and theelectromagnetic door lock is controlled by the relay to be opened and closed; and an audio output module which is connected with the server and controlled by the server to output audio information, and the scheme is reliable in implementation, good in efficiency and good in safety.
Owner:FUJIAN UNIV OF TECH
Flash file storing system
ActiveCN103902741AExcellent performanceSimple moduleMemory adressing/allocation/relocationFile access structuresRecording systemSignalling system
The invention discloses a Flash file storing system. The system comprises a Flash file storing block managing module, a file information managing module, a file operating and managing module and a specific operating and managing module for a signal system. According to the Flash file storing system, the actual storing space is managed by effectively arranging block addresses of a Flash chip array, the block addresses of the file system meet the using requirement of the high-speed Flash file storing system, a set of flexible file managing APIs are provided, and meanwhile a specific operation interface is provided for a signal recording system.
Owner:北京华力创通科技股份有限公司
Double-interface intelligent card simulator based on field programmable gata array (FPGA)
InactiveCN102567202ARealize simulationImprove download efficiencySoftware testing/debuggingInternational standardSmart card
The invention discloses a double-interface intelligent card simulator based on a field programmable gata array (FPGA), which is high in efficiency and reliability, low in cost and high in performance and comprises a simulation antenna, a contact type card surface, an analog front end and a simulation unit. The analog front end is in non-contact type communication with the simulation antenna through a wireless passage, communication between the analog front end and the simulation antenna follows an international standardization organization (ISO) / international electrotechnical commission (IEC) 14443 TypeA international standard, contact type communication between the contact type card surface and the analog front end is achieved through a wire passage, communication between the analog front end and the contact type interface follows an ISO / IEC 7816 international standard, the simulation unit is communicated with the analog front end through the wire passage, and the analog front end and the simulation unit follow a universal serial bus (USB) v 2.0 communication protocol. The simulation antenna and the contact type card surface simulate communication modes with a reader under two working modes, the simulation unit is achieved through an FPGA chip, the analog front end is achieved through a radio frequency chip, and the priority of the communication mode between the analog front end and the contact type interface is higher than that of the communication mode between the analog front end and the simulation antenna.
Owner:GUANGZHOU SYSUR MICROELECTRONICS
Wireless power supply device and wireless power supply system for electric equipment
InactiveCN110380524AAvoid risk of failureImprove transfer efficiencyCharging stationsCircuit arrangementsElectrical batteryElectromagnetic field
Owner:胡家兴
Motor control circuit, vehicle and battery self-heating control method
ActiveCN114079400AWith self-heating functionAchieve heatingAC motor controlCell temperature controlElectrical batteryElectric machinery
The invention discloses a motor control circuit, a vehicle and a battery self-heating control method. The battery self-heating control method comprises the following steps: receiving a battery heating command, and controlling a battery to enter a first heating mode or a second heating mode according to a judgment signal; in the first heating mode, switching off a first switch module, switching off a third switch module, and switching on a second switch module, and alternately switching on the upper bridge arm and the lower bridge arm of a bidirectional inverter; and in the second heating mode, switching off the first switch module, switching on the second switch module, the third switch module, and alternately switching on the upper bridge arm and the lower bridge arm of the bidirectional inverter. The motor control circuit provided by the invention has two battery heating modes under the cooperative action of the bidirectional inverter and each switch module, and the battery self-heating control method can efficiently heat the battery according to the temperature of the battery and the use scene of the vehicle, thereby effectively reducing the development cost of the whole vehicle, simplifying the module and reducing the development difficulty.
Owner:BYD CO LTD
Automatic water collection system for unmanned watercraft
InactiveCN108482588AThe design logic is concise and clearSimplify software designWithdrawing sample devicesUnmanned surface vesselsPeristaltic pumpCollection system
The invention relates to an automatic water collection system for an unmanned watercraft. The automatic water collection system comprises a deploying and retracting mechanism, a water collection mechanism and a storage mechanism, wherein the deploying and retracting mechanism is fixed on a deck of the unmanned watercraft; the water collection mechanism is mounted inside the storage mechanism; andthe storage mechanism abuts against the deploying and retracting mechanism and is fixed on the deck of the unmanned watercraft. The automatic water collection system for the unmanned watercraft designs a set of electromechanical combined collection system according to the requirements of the water collection task of the unmanned watercraft. In the structural design, the automatic water collectionsystem mainly designs a master / slave wheel mechanism, and also ingeniously adds a spring-type pressure regulator so as to realize the task of deploying and retracting a water collection pipe. In the electrical design, the automatic water collection system integrates five peristaltic pumps for water collection and refrigeration equipment in a refrigerator, and is provided with the functions of liquid level sensing, temperature digital display and the like. In general, the automatic water collection system for the unmanned watercraft is ingenious in design, simple in structure and functionally complete.
Owner:SHANGHAI UNIV
Method and module for measuring height
InactiveCN101004446ASimple moduleEasy to usePosition fixationHeight/levelling measurementMeasurement pointEngineering
A method for measuring height includes utilizing a positioning unit to intercept height information in satellite signal at various measurement points, selecting at least one first height information and at least one second height information from obtained height information, carrying out operation on two selected height information for obtaining height to be measured.
Owner:MITAC COMP (SHUN DE) LTD +1
High-speed image missile-borne data recording device
ActiveCN107135365AImplement serial-to-parallel conversionRealize the recording functionTelevision system detailsRegistering/indicating working of vehiclesGate arrayComputer module
The invention discloses a high-speed image missile-boron data recording device. The device comprises a field programmable logic gate array; an LVDS image data interface module, a first storage module and a second storage which are respectively connected with the field programmable logic gate array; the LVDS image data interface module is used for performing series- parallel conversion on high-speed seeker image data in the flight process of an aircraft, and performing visible light / infrared image class judgment on the high-speed seeker image under the control of the field programmable logic gate array; the high-speed seeker image at different image classes is stored in the first storage module and the second storage module through the field programmable logic gate array; the data recording device is recycled after the aircraft is grounded so as to read out the image data in the flight experiment. The data recording device disclosed by the invention has the advantages of being simple in module, small in volume, light in weight, recognizable in visible light / infrared image, strong in large-overload resistance, and simple in data recording and controlling flow, and is especially suitable for the data storage of a missile-borne seeker image.
Owner:湖北三江航天红林探控有限公司
A flash storage file system
ActiveCN103902741BFunction increaseImprove performanceMemory adressing/allocation/relocationFile access structuresFile systemSignaling system
Owner:北京华力创通科技股份有限公司
Decentralized power generation system
InactiveCN1902808BSimple moduleLong life and high reliabilitySingle network parallel feeding arrangementsDc source parallel operationDC-BUSDc converter
The invention relates to a decentralized power generation system comprising a plurality of decentralized power generating units (11,12;13,14). In order to enable an optimized control of these power generating units while enabling at the same time a high security in the system, a system is proposed that the system comprises a plurality of DC / DC converters (31,32), each connected to another one of the power generating units for converting a current provided by the power generating units. The proposed system moreover comprises a DC bus (40) to which the DC / DC converters feed a respectively converted current. The proposed system further comprises at least one power receiving component (20) retrieving current from the DC bus, which power receiving component is physically separated from the DC / DC converters. The invention relates equally to a corresponding method.
Owner:PHILIPS LIGHTING HOLDING BV
Embedded refrigerator
InactiveCN112413961AImprove operational reliabilitySimple structureLighting and heating apparatusDomestic refrigeratorsIceboxStructural engineering
The invention discloses an embedded refrigerator, and relates to the technical field of embedded refrigerators. The embedded refrigerator comprises a cabinet, a refrigerator carrier, a condensing device and a temperature sensing element, and the refrigerator carrier is installed in the cabinet in a clearance mode; side wall air ducts are formed between the cabinet and the side walls of the refrigerator carrier; a back air duct is formed between the cabinet and the back of the refrigerator carrier; the back air duct communicates with the two side wall air ducts and a cabinet air outlet formed in the top of the cabinet; the condensing device comprises a condensing air duct, a condensing fan and a condenser; the condensing fan is positioned in the condensing air duct and is close to an air inlet; and the condenser is externally hung on the back of the refrigerator carrier or installed in the side walls of the refrigerator carrier. According to the embedded refrigerator, the condensing airduct is formed at the bottom, the mode that air enters through the air inlet of the condensing air duct and goes out through the top cabinet air outlet is adopted, the structure that the condensing air duct communicates with the side wall air ducts and the back air duct is simple, and it can be guaranteed that the operation reliability of the refrigerator with the condenser externally hung on theback of the refrigerator carrier or installed in the side walls of the refrigerator carrier is higher.
Owner:TCL HOME APPLIANCES QINGDAO
An automatic fixture upper cover device for automatic production of circuit boards
InactiveCN106346505BImprove efficiencySuitable for high-volume production operationsGripping headsPCB positioning during processingEngineeringElectrical and Electronics engineering
The invention discloses an automatic clamp upper cover fetching device for automated production of circuit boards. The automatic clamp upper cover fetching device comprises a rack, a positioning mechanism and a die fetching mechanism, the positioning mechanism and the die fetching mechanism are mounted on the rack, a first mechanical arm is horizontally inserted at the top of the rack, a second mechanical arm is vertically inserted on the first mechanical arm, the die fetching mechanism is mounted on the second mechanical arm, a lifting rod is mounted on the second mechanical arm, a sucker frame is fixed at the lower end of the lifting rod, a lifting cylinder is fixed on each of two sides of the sucker frame, a lifting cylinder extensible rod is connected with a lifting claw, a sucker is mounted on the undersurface of the sucker frame, upper cover buckles are symmetrically arranged on two sides of a clamp upper cover, buckle grooves are symmetrically formed in two sides of a clamp baseplate, and the upper cover buckles are embedded in the buckle grooves for matched connection. The automatic clamp upper cover fetching device can realize automated clamp upper cover fetching during circuit board assembling and is suitable for large-batch production, stable in control and convenient to maintain.
Owner:ZHEJIANG ZHONGZHI ROBOT CO LTD
Manually operated balancing weight dispenser
ActiveUS10570989B2Low costReduce wasteWheel-ballasting weightsRotating bodies balancingControl engineeringControl theory
A balancing weight dispenser has a balancing weight storage space for storing a belt of balancing weights on a reel, a belt guide, and a cutter at one end of and / or along a length of the belt guide. The cutter comprises a knife, which is fixedly attached to the balancing weight dispenser. For delivery of a required amount of balancing weight mass, the belt of balancing weights is pulled from the reel until the desired number of balancing weights has been obtained. In the next step, the belt of balancing weights is cut, preferably between two adjacent balancing weights, to separate the selected portion of balancing weights from the remaining belt of balancing weights. The remaining belt falls back to the guide and remains in a desired position for receiving the next portion of balancing weights. This manually operated balancing weight dispenser can be provided at significantly lower costs compared to the automated high performance balancing weight dispensers as known from the prior art. It is very robust and has no serviceable parts.
Owner:WEGMANN AUTOMOTIVE GMBH
Closed-loop control system for reciprocating swing type motor in electric toothbrush
PendingCN114552899AEasy to controlProcess controlAssociation with control/drive circuitsAC motor controlPowered toothbrushLoop control
The invention discloses a closed-loop control system for a reciprocating swing type motor in an electric toothbrush, which comprises a control module, a detection module, an operation module and a driving module, and is characterized in that the control module, the detection module, the operation module and the driving module are respectively in communication connection; the control module is used for inputting a swing adjustment instruction and logic information, generating voltage waveform information according to the swing adjustment instruction and the logic information, and sending the voltage waveform information to the driving module; the detection module is used for acquiring physical quantity information generated by a motor output shaft and sending the physical quantity to the operation module; the operation module is used for receiving the physical quantity information, calculating a real-time swing numerical value of the motor according to the physical quantity information and outputting the real-time swing numerical value of the motor; and the driving module is used for receiving the voltage waveform information and adjusting the output power of the motor according to the voltage waveform information. The structure has a good control feedback effect, the output swing of the motor is effectively kept, and the use experience of a user is ensured.
Owner:ZHEJIANG BAOLONG M&E CO LTD
Nerve monitoring device based on human body impedance detection
PendingCN112932684ASimple moduleLow costDiagnosticsSurgeryDigital conversionAnalog to digital conversion
A nerve monitoring device based on human body impedance detection is characterized in that the nerve monitoring device comprises a nerve monitoring host (1), an interface box (2), a power line (4) and a monitoring electrode (5), and an impedance detection module (1-1) and an RFID module (1-2) are arranged in the nerve monitoring host (1); the impedance detection module (1-1) comprises a master control CPU module (6), a digital-to-analog conversion module (7), a first analog signal amplification circuit module (8), a channel switching module (9), a signal filtering module (10), a second analog signal amplification module (11) and an analog-to-digital conversion module (12). The electrode contact effectiveness is judged by measuring the impedance value of the monitoring electrode, and the invention has the advantages of accurate reliable and easy operation.
Owner:JIANGSU BAINING YINGCHUANG MEDICAL TECH CO LTD
A radar range tracking method based on α-β and lms joint filtering
ActiveCN110221287BModerate amount of calculationEasy to implementRadio wave reradiation/reflectionInformation acquisitionTracking system
The invention discloses a radar distance tracking system based on α-β and LMS combined filtering, which includes a radar measurement information acquisition module, an LMS speed filter module and an α-β distance filter module, wherein the radar measurement information acquisition module is an LMS speed filter The module and the α-β distance filter module provide information data support, and the LMS speed filter module and the α-β distance filter module process the information data. The present invention can take into account both calculation efficiency and filtering precision by separately filtering the distance and the speed, and is especially suitable for the application of the high-speed mobile radar platform. The invention also relates to a radar distance tracking method based on α-β and LMS joint filtering.
Owner:BEIJING INST OF REMOTE SENSING EQUIP
Vehicle-mounted cloud intelligent voice interaction system, method, device and terminal
The invention belongs to the technical field of vehicle-mounted voice interaction, and discloses a vehicle-mounted cloud intelligent voice interaction system, method, device and terminal, and the method comprises the steps: a wake-up module of a vehicle-mounted voice assistant carries out the monitoring; a sound acquisition module continuously receives sound; the audio information is sent to the cloud through the HTTP library of the RTOS; continuous voice activity detection is performed ; a voice input ending instruction is sent ; cloud processing is performed ; the HTTP return packet is analyzed; audio data returned by the cloud is played; a vehicle-mounted instruction returned by the cloud is executed ; and the vehicle-mounted voice assistant system is closed. According to the invention, the voice information of the user is sent to the cloud for processing by using the HTTP protocol, vehicle-mounted computing resources are occupied as little as possible, meanwhile, a mature HTTP framework in the RTOS is utilized, the engineering complexity is reduced, the reusability and maintainability of engineering codes are improved, the computing resources occupied by the vehicle-mounted intelligent voice interaction system are effectively reduced, and the engineering complexity is reduced.
Owner:西安链科信息技术有限公司
A device for performance testing and durability testing of automobile tailgate
ActiveCN107478441BDoes not affect accuracySimple moduleVehicle testingUsing optical meansHydraulic cylinderStructural engineering
A device for performance testing and durability testing of an automobile tailgate. The automobile tailgate (1) includes a bearing platform (11), a mechanical mechanism (12), and a fixed beam (13), wherein the mechanical mechanism (12) includes a set of Lifting hydraulic cylinder, a group of overturning hydraulic cylinders, the cross-section of the fixed cross beam 13) is square, and is used to fix the tailgate of the car on the main beam of the car. The device (4), the hydraulic control device, and the position detection module; make up for the problem in the prior art that there is no vehicle lifting tail plate and no professional testing equipment.
Owner:WUHAN HUAWEI SECIAL PURPOSE AUTOMOBILE DETECTION
Ripple suppression circuit and method and switching power supply
PendingCN114389441AImprove reliabilitySmall rippleDc-dc conversionElectric variable regulationHemt circuitsNoise reduction
The embodiment of the invention relates to the technical field of electronics, and discloses a ripple suppression circuit and method and a switching power supply. The ripple suppression circuit comprises a signal generation module, a driving module and a noise reduction module which are connected in sequence, the signal generation module is used for receiving an input signal and generating a first pulse width modulation (PWM) signal and a second PWM signal which are opposite in phase; the driving module is used for amplifying the first PWM signal and the second PWM signal and obtaining a first driving signal and a second driving signal; and the noise reduction module is used for carrying out noise reduction on the first driving signal to obtain a first filtering signal, carrying out noise reduction on the second driving signal to obtain a second filtering signal, superposing the first filtering signal and the second filtering signal, and outputting the superposed signals. The invention aims to improve the reliability and the applicability of the ripple suppression switching power supply circuit and reduce the cost at the same time.
Owner:合肥移瑞通信技术有限公司
Quality management system for unvulcanized rubber material
PendingCN114707869ASimple moduleComprehensive testing dataResourcesQuality management systemData information
The invention discloses a quality management system for unvulcanized rubber materials, which comprises a detection module and an operation module, and is characterized in that the detection module is connected with a main production line, and the main production line transmits detection data and analysis data to a display module through a preprocessing analysis module; and the operation module is manipulated according to the data information on the display module to control the unvulcanized rubber material to enter the production line A or the production line B. The device is simple in design module, comprehensive in detection data, capable of comprehensively detecting the data information of the rubber material, simple in detection method, convenient in operation steps, greatly shortened in detection time, suitable for all production scenes and high in production efficiency. The application range is wider, and the method is suitable for large-scale production.
Owner:扬中市橡胶塑料厂有限公司
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